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Update on sulfur-related polioencephalomalacia
1Department of Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, USA. dgould@cvmbs.colostate.edu
The Veterinary Clinics of North America. Food Animal Practice
|November 21, 2000
Summary
High sulfur intake in ruminants can cause polioencephalomalacia, linked to excessive ruminal sulfide. Measuring hydrogen sulfide in the rumen helps identify cattle at risk from hazardous sulfur levels.
Area of Science:
- Veterinary Medicine
- Animal Nutrition
- Ruminant Physiology
Background:
- Polioencephalomalacia (PEM) in ruminants is often linked to high dietary sulfur intake.
- Clinical signs of PEM correlate with increased sulfide production in the rumen.
Observation:
- Excessive ruminal sulfide production is a key factor in sulfur-related polioencephalomalacia.
- Measuring hydrogen sulfide (H2S) in the rumen gas cap can indicate potentially hazardous total sulfur intake in cattle.
Findings:
- Rumen gas cap hydrogen sulfide levels serve as a biomarker for excessive sulfur intake.
- Identifying and evaluating all dietary sulfur sources is crucial for accurate total sulfur concentration assessment.
Implications:
- This measurement aids in identifying at-risk cattle and preventing sulfur toxicity.
- Understanding total sulfur intake allows for the development of effective dietary management and prevention strategies for ruminants.